1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// RUN: %clang_cc1 -std=c++23 -fsyntax-only -verify=expected,pre26 -pedantic %s
// RUN: %clang_cc1 -std=c++2c -fsyntax-only -verify=expected,compat -Wpre-c++26-compat %s
// RUN: %clang_cc1 -std=c++2c -fsyntax-only -verify %s
struct S {
void a() = delete;
void b() = delete(; // expected-error {{expected string literal}} expected-error {{expected ')'}} expected-note {{to match this '('}}
void c() = delete(); // expected-error {{expected string literal}}
void d() = delete(42); // expected-error {{expected string literal}}
void e() = delete("foo"[0]); // expected-error {{expected ')'}} expected-note {{to match this '('}} // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
void f() = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
S() = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
~S() = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
S(const S&) = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
S(S&&) = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
S& operator=(const S&) = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
S& operator=(S&&) = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
};
struct T {
T() = delete(); // expected-error {{expected string literal}}
~T() = delete(); // expected-error {{expected string literal}}
T(const T&) = delete(); // expected-error {{expected string literal}}
T(T&&) = delete(); // expected-error {{expected string literal}}
T& operator=(const T&) = delete(); // expected-error {{expected string literal}}
T& operator=(T&&) = delete(); // expected-error {{expected string literal}}
};
void a() = delete;
void b() = delete(; // expected-error {{expected string literal}} expected-error {{expected ')'}} expected-note {{to match this '('}}
void c() = delete(); // expected-error {{expected string literal}}
void d() = delete(42); // expected-error {{expected string literal}}
void e() = delete("foo"[0]); // expected-error {{expected ')'}} expected-note {{to match this '('}} // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
void f() = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
constexpr const char *getMsg() { return "this is a message"; }
void func() = delete(getMsg()); // expected-error {{expected string literal}}
namespace CWG2876 {
using T = void ();
using U = int;
T a = delete ("hello"); // expected-error {{only functions can have deleted definitions}}
U b = delete ("hello"), c, d = delete ("hello"); // expected-error 2 {{only functions can have deleted definitions}}
struct C {
T e = delete ("hello"); // expected-error {{'= delete' is a function definition and must occur in a standalone declaration}}
U f = delete ("hello"); // expected-error {{cannot delete expression of type 'const char[6]'}}
};
}
|
